61735003660 has 48 divisors (see below), whose sum is σ = 142829622432. Its totient is φ = 22226816000.

The previous prime is 61735003633. The next prime is 61735003667. The reversal of 61735003660 is 6630053716.

It is a super-2 number, since 2×61735003660² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61735003667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1366957 + ... + 1411396.

It is an arithmetic number, because the mean of its divisors is an integer number (2975617134).

Almost surely, 2^61735003660 is an apocalyptic number.

It is an amenable number.

61735003660 is an abundant number, since it is smaller than the sum of its proper divisors (81094618772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61735003660 is a wasteful number, since it uses less digits than its factorization.

61735003660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778474 (or 2778472 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 61735003660 in words is "sixty-one billion, seven hundred thirty-five million, three thousand, six hundred sixty".